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Killer Psyche

Killer Psyche

Audible | Treefort Media 147 Episodes Sep 15, 2026

When a shocking crime occurs, people ask “Why?” Was it about power, ego, or revenge? On Killer Psyche, retired FBI agent Candice DeLong draws on her decades of experience to reveal why these murderers and criminals committed these heinous acts. She will reveal fascinating new details about what drove these people, including cases she was close to. Candice will share specific psychological methods and profiling techniques that experts use to understand the deepest part of the most complex, fascinating, and twisted minds, from the Unabomber to Alex Murdaugh to Mary Bell.

Episodes

Lori Vallow Daybell
Lori Vallow Daybell Sep 15, 2026 00:43:15 Retired FBI agent and criminal profiler Candice DeLong explores the disturbing case of Lori Vallow Daybell, the Idaho mother whose apocalyptic religious beliefs concealed the murders of her own two children. For months, nine-year-old JJ Vallow and seventeen-year-old Tylee Ryan were missing, and Lori offered the world nothing but shifting stories and eerie calm. Behind her, an inner circle
Luigi Mangione Pleads Guilty: What Happens Now? - A Conversation with Josh Ritter
Luigi Mangione Pleads Guilty: What Happens Now? - A Conversation with Josh Ritter Sep 8, 2026 00:49:23 Retired FBI agent and criminal profiler Candice DeLong breaks down the stunning legal turn in the case of Luigi Mangione, the man who admitted to shooting UnitedHealthcare CEO Brian Thompson on a Manhattan sidewalk in December 2024. After 21 months of pleading not guilty in every courtroom, Mangione stood before a federal judge and confessed -- with no deal, no agreement, and no promises
Richard Ramirez Part 2: An Interview with Frank Falzon
Richard Ramirez Part 2: An Interview with Frank Falzon Sep 1, 2026 00:39:58 Retired FBI agent and criminal profiler Candice DeLong revisits the case of Richard Ramirez, the Night Stalker, through the eyes of the man who cracked it. While Los Angeles dominated the headlines, it was a San Francisco homicide inspector named Frank Falzon who first put a name to one of history's most feared serial killers. Candice sits down with Falzon to trace the unlikely chain of e
Richard Ramirez - The Night Stalker
Richard Ramirez - The Night Stalker Aug 25, 2026 00:49:53 Retired FBI agent and criminal profiler Candice DeLong explores the terrifying case of Richard Ramirez, the serial killer and sexual predator who turned the summer of 1985 into a season of fear across Southern California. Striking seemingly at random, Ramirez slipped into homes after dark, attacking men, women, and children with a brutality that left investigators struggling to find a pat
Listen Now: Audible True Crime
Listen Now: Audible True Crime Aug 24, 2026 00:06:03 Introducing Audible True Crime, a dedicated podcast feed where we bring you the best podcasts in true crime, with episodes dropping every single week. Find your next bingeable series about unsolved murders, cold cases, scams and mysteries. This is the cream of the crop of Audible podcasts, featuring award-winning series and soon-to-be favorites. Stop pestering your friends or searching “b
Herb Baumeister - The Fox Hollow Farm Killer
Herb Baumeister - The Fox Hollow Farm Killer Aug 18, 2026 00:56:06 Retired FBI agent and criminal profiler Candice DeLong explores the disturbing case of Herb Baumeister, the Indianapolis thrift store owner whose sprawling Fox Hollow Farm concealed the remains of at least eleven men. For years, gay men were vanishing from the same cluster of downtown bars, drawn away by a well-dressed stranger who called himself Brian Smart and promised a night at his pl
Catherine Birnie & David Birnie - The Moorhouse Murders
Catherine Birnie & David Birnie - The Moorhouse Murders Aug 11, 2026 00:47:13 Retired FBI agent and criminal profiler Candice DeLong explores the disturbing case of David and Catherine Birnie, the Australian couple who terrorized Perth over five weeks in 1986, abducting, raping, and murdering five women before a survivor's extraordinary courage brought them down. Candice examines how David's history of violent sexual sadism and Catherine's lifelong terror of being
Gary Ridgway - The Green River Killer
Gary Ridgway - The Green River Killer Aug 4, 2026 00:55:07 Retired FBI agent and criminal profiler Candice DeLong explores the disturbing case of Gary Ridgway, known as the Green River Killer. Beginning in the summer of 1982, young women began vanishing from a stretch of highway south of Seattle -- and for nearly two decades, the man responsible kept painting trucks, attending church, and living what looked like an unremarkable suburban life. Wha
The Murder of Jennifer Dulos
The Murder of Jennifer Dulos Jul 28, 2026 00:48:54 Retired FBI agent and criminal profiler Candice DeLong unravels the disturbing disappearance of 50-year-old mother of five, Jennifer Dulos. After dropping off her children at school one morning in 2019 and failing to pick them back up, Jennifer was reported missing. But soon enough, evidence would reveal a horrifying truth: Jennifer was murdered. And authorities would soon discover that h
Jeffrey Dahmer - The Milwaukee Monster
Jeffrey Dahmer - The Milwaukee Monster Jul 21, 2026 00:55:04 Retired FBI agent and criminal profiler Candice DeLong examines the horrifying case of Jeffrey Dahmer, one of America's most infamous serial killers. Between 1978 and 1991, young men and boys began disappearing from Milwaukee, Wisconsin, many from vulnerable communities whose disappearances drew little attention. When police finally uncovered the truth inside Dahmer's apartment, they foun
ENCORE: Revisiting Alex Murdaugh - A Conversation with Valerie Bauerlein
ENCORE: Revisiting Alex Murdaugh - A Conversation with Valerie Bauerlein Jul 14, 2026 00:53:43 After a stunning reversal, in May, 2026, Alex Murdaugh was granted a new trial for the murders of his wife and son, after the South Carolina appeals court ruled that the actions of a former County Clerk had unfairly impacted his trial. In this encore episode, Retired FBI agent and criminal profiler Candice DeLong revisits her conversation with Wall Street Journal national affairs reporter
Albert DeSalvo: "The Boston Strangler"
Albert DeSalvo: "The Boston Strangler" Jul 7, 2026 00:50:35 Retired FBI agent and criminal profiler Candice DeLong explores the infamous case of Albert DeSalvo, the man who confessed to being the Boston Strangler. In the early 1960s, a wave of fear swept through Boston as women were found murdered in their homes, many of them sexually assaulted and strangled. As the body count grew, investigators struggled to determine whether a single killer was

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